Let X Be a Continuous Random Variable a ≤ X $\int _ { a } ^ { b } f ( x ) d x$

True/False

Let X be a continuous random variable A ≤ X ≤ B and let f (x) be its probability density function and F (x) its cumulative distribution function. Indicate whether the following statements are true or false.
-Pr(a ≤ X ≤ b) = $\int _ { a } ^ { b } f ( x ) d x$